Compact Navigation prototype

chrome/browser/ui/views/compact_nav/compact_navigation_bar.h

Index: chrome/browser/ui/views/compact_nav/compact_navigation_bar.h
diff --git a/chrome/browser/ui/views/compact_nav/compact_navigation_bar.h b/chrome/browser/ui/views/compact_nav/compact_navigation_bar.h
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_VIEWS_COMPACT_NAV_COMPACT_NAVIGATION_BAR_H_
+#define CHROME_BROWSER_UI_VIEWS_COMPACT_NAV_COMPACT_NAVIGATION_BAR_H_
+
+#include "base/basictypes.h"
+#include "base/scoped_ptr.h"
+#include "chrome/browser/command_updater.h"
+#include "views/controls/button/button.h"
+#include "views/view.h"
+
+class AutocompleteEditViewGtk;

[sky, 2011/05/03 18:38:32]

not needed

[SteveT, 2011/05/06 18:48:43]

Done.

+class BackForwardMenuModel;
+class BrowserView;
+
+namespace views {
+class ImageButton;
+class ImageView;
+class NativeViewHost;

[sky, 2011/05/03 18:38:32]

not needed

[SteveT, 2011/05/06 18:48:43]

Done.

+}
+
+// This class provides a small navigation bar that includes back, forward, and
+// a small text entry box.
+class CompactNavigationBar : public views::View,
+                             public views::ButtonListener,
+                             public CommandUpdater::CommandObserver {
+ public:
+  explicit CompactNavigationBar(::BrowserView* browser_view);
+  virtual ~CompactNavigationBar();
+
+  // Must be called before anything else, but after adding this view to the
+  // widget.
+  void Init();
+
+  // views::View overrides.
+  virtual gfx::Size GetPreferredSize();

[sky, 2011/05/03 18:38:32]

OVERRIDE

[SteveT, 2011/05/06 18:48:43]

Done.

+  virtual void Layout();
+  virtual void OnPaint(gfx::Canvas* canvas);
+
+ private:
+  // views::ButtonListener implementation.
+  virtual void ButtonPressed(views::Button* sender, const views::Event& event);
+
+  // CommandUpdater::CommandObserver implementation.
+  virtual void EnabledStateChangedForCommand(int id, bool enabled);
+
+  // Load the images for the back and forward buttons.
+  void LoadImages();
+
+  ::BrowserView* browser_view_;
+
+  bool initialized_;
+
+  views::ImageButton* back_;
+  views::ImageView* bf_separator_;
+  views::ImageButton* forward_;
+
+  // History menu for back and forward buttons.
+  scoped_ptr<BackForwardMenuModel> back_menu_model_;
+  scoped_ptr<BackForwardMenuModel> forward_menu_model_;
+
+  DISALLOW_COPY_AND_ASSIGN(CompactNavigationBar);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_COMPACT_NAV_COMPACT_NAVIGATION_BAR_H_